bin/tl in testlab-1.15.1 vs bin/tl in testlab-1.16.0

@@ -80,35 +80,34 @@
 
 desc 'Quiet mode'
 default_value false
 switch [:q, :quiet]
 
-desc 'Path to Labfile: ${REPO}/Labfile'
+desc 'Path to Labfile'
 arg_name 'path/to/file'
-# default_value File.join(Dir.pwd, 'Labfile')
 flag [:l, :labfile]
 
-desc 'Path to Repository directory: ${PWD}'
+desc 'Path to Repository directory'
 arg_name 'path/to/directory'
-default_value Dir.pwd
 flag [:r, :repo]
 
-desc 'Path to Configuration directory: ${REPO}/.testlab-$(hostname -s)'
+desc 'Path to Configuration directory'
 arg_name 'path/to/directory'
-# default_value File.join(Dir.pwd, ".testlab-#{TestLab.hostname}")
 flag [:c, :config]
 
+desc 'Path to Log file'
+default_value STDOUT
+arg_name 'path/to/log_file'
+flag [:L, :log_file]
+
 pre do |global,command,options,args|
   @testlab_start_time = Time.now.utc
 
   (global[:verbose] == true) and (ENV['LOG_LEVEL'] = 'DEBUG')
 
-  log_file = File.join(global[:repo], "testlab-#{TestLab.hostname}.log")
-  @logger = ZTK::Logger.new(log_file)
-
   @ui = ZTK::UI.new(
-    :logger  => @logger,
+    :logger  => ZTK::Logger.new(global[:log_file]),
     :verbose => global[:verbose],
     :quiet   => global[:quiet]
   )
 
   @ui.logger.debug { "global(#{global.inspect})" }
@@ -120,12 +119,10 @@
     :labfile_path => global[:labfile],
     :config_dir   => global[:config],
     :repo_dir     => global[:repo]
   )
 
-  TestLab::Utility.log_header(@testlab).each { |line| @logger.info { line } }
-
   @testlab.boot
 
   if !@ui.quiet?
     message = format_message("TestLab v#{TestLab::VERSION} Loaded".black.bold)
     @ui.stdout.puts(message)
@@ -160,12 +157,12 @@
 
     false
   else
     testlab_run_time = (Time.now.utc - @testlab_start_time)
 
-    @logger.fatal { exception.inspect }
+    @ui.logger.fatal { exception.inspect }
     exception.backtrace.each do |line|
-      @logger.logdev.write("#{line}\n")
+      @ui.logger.logdev.write("#{line}\n")
     end
 
     message = format_message("TestLab v#{TestLab::VERSION} Aborted (%0.4f seconds)".black.bold % testlab_run_time)
     @ui.stderr.puts(message)
     @ui.logger.info { message }